msgctl.cc

达内IT培训Unix C++第三天源码 是入门Unix 下C++编程的好东西

#include <iostream>
using namespace std;
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>

int main()
{
	int key;
	cout << "input key:";
	cin >> hex >> key;
	int qid = msgget(key, 0);
	cout << "qid=" << qid << endl;
	if(qid<0)
		cout << "not found!" << endl;
	else if(msgctl(qid,IPC_RMID,NULL)<0)
		cout << "error!" << endl;
	else
		cout << "OK!" << endl;
}